cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A008935 If 2n = Sum 2^e(k) then a(n) = Sum e(k)^2.

Table of values

n a(n)
1 1
2 4
3 5
4 9
5 10
6 13
7 14
8 16
9 17
10 20
11 21
12 25
13 26
14 29
15 30
16 25
17 26
18 29
19 30
20 34
21 35
22 38
23 39
24 41
25 42
26 45
27 46
28 50
29 51
30 54
31 55
32 36
33 37
34 40
35 41
36 45
37 46
38 49
39 50
40 52
41 53
42 56
43 57
44 61
45 62
46 65
47 66
48 61
49 62
50 65
51 66
52 70
53 71
54 74
55 75
56 77
57 78
58 81
59 82
60 86
61 87
62 90
63 91
64 49
65 50
66 53
67 54
68 58
69 59
70 62

List of values

[1, 4, 5, 9, 10, 13, 14, 16, 17, 20, 21, 25, 26, 29, 30, 25, 26, 29, 30, 34, 35, 38, 39, 41, 42, 45, 46, 50, 51, 54, 55, 36, 37, 40, 41, 45, 46, 49, 50, 52, 53, 56, 57, 61, 62, 65, 66, 61, 62, 65, 66, 70, 71, 74, 75, 77, 78, 81, 82, 86, 87, 90, 91, 49, 50, 53, 54, 58, 59, 62]